Cooper Bussmann GDA-1A Cartridge Fast-acting Fuse 1A

Product Description

The COOPER BUSSMANN GDA-1A is a ceramic cartridge fast-acting fuse rated at 1 amp, designed for overcurrent protection in electronic and electrical control circuits. Measuring 20 mm in overall length and 5 mm in diameter, this miniature fuse conforms to IEC 60127-2 standards and carries UL Recognized status under Guide JDYX2. Its fast-acting response characteristic means it opens quickly under overload conditions, protecting sensitive downstream components. The ceramic body provides reliable arc suppression, making it appropriate for use in control boards, instrumentation, and light commercial or residential equipment where space is limited and precise fuse ratings are required.

The GDA-1A is suited for use in low-current control circuits found in HVAC equipment, industrial controls, and electronic instrumentation panels. Its mini cartridge form factor fits standard 5 mm x 20 mm fuse holders and blocks commonly found across a wide range of control boards and panel assemblies. Licensed electricians and HVAC technicians typically specify this fuse as a direct replacement or service part during control board diagnostics and repair.

Key Features

• Fast-acting fuse response for immediate overcurrent protection of sensitive circuits
• Ceramic body construction provides superior arc suppression compared to glass alternatives
• 1 amp rating in the standard 5 mm x 20 mm mini cartridge form factor
• Meets IEC 60127-2, UL Recognized (JDYX2 File E19180), CSA, CCC, IMQ, SEMKO, and RoHS requirements
• Compact 20 mm overall length fits widely available panel-mount and PCB fuse holders

Compatibility

Designed as a direct-replacement fast-acting mini cartridge fuse for any 5 mm x 20 mm fuse holder or block rated for 1 amp service across residential, commercial, and light industrial control applications.

Installation Notes

Installation and replacement should be performed by a qualified electrician or licensed HVAC technician. Always de-energize and lock out the equipment before servicing fuses or fuse holders. Verify the replacement fuse amp rating and fuse timing match the original equipment specification exactly — substituting a higher-rated or slow-blow fuse can void equipment certifications and create a fire hazard. Use an appropriate fuse puller when removing the fuse from a live panel to prevent contact with energized components during servicing.